CM3 postcode area guide — Braintree
House prices, crime, broadband speeds, mobile signal, schools and demographics for the CM3 postcode district in Braintree — every official dataset on one page.
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Where is CM3?
Broadband & internet speeds in CM3
Strong coverage
Superfast (30Mb+)
93%
Ultrafast (300Mb+)
64.9%
Gigabit-capable
63.5%
Below USO (10Mb)
0.4%
Broadband availability in the CM3 postcode district (Braintree) is Strong — superfast is near-universal and gigabit is rolling out. Across the 1,555 postcodes Ofcom measures in CM3, superfast broadband (30 Mbit/s or faster) reaches 93% of premises and gigabit-capable lines are available to 63.5%.
Around 0.4% of premises in CM3 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in CM3
| Postcode | Superfast | Gigabit |
|---|---|---|
| CM3 1AA | 100% | 100% |
| CM3 1AB | 0% | 0% |
| CM3 1AD | 91.7% | 91.7% |
| CM3 1AE | 100% | 100% |
| CM3 1AF | 100% | 100% |
| CM3 1AG | 100% | 100% |
| CM3 1AH | 100% | 50% |
| CM3 1AJ | 100% | 100% |
| CM3 1AL | 100% | 100% |
| CM3 1AN | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Braintree
Ofcom's coverage model for the wider Braintree district (75,867 premises):
4G indoors — all networks
84.6%
4G outdoors — all networks
99%
5G outdoors — all networks
42.5%
Voice indoors — all networks
87.7%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in CM3
Police recorded 23 incidents within about a mile of the centre of CM3 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 14 | 60.9% |
| Burglary | 2 | 8.7% |
| Criminal damage & arson | 2 | 8.7% |
| Anti-social behaviour | 1 | 4.3% |
| Bicycle theft | 1 | 4.3% |
| Other theft | 1 | 4.3% |
| Shoplifting | 1 | 4.3% |
| Vehicle crime | 1 | 4.3% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in CM3
Based on 581 sales registered with HM Land Registry in the last 12 months, the median sold price in CM3 is £435,000, down 3.3% on the previous year (£450,000).
Detached
£567,500
284 sales
Semi-detached
£390,000
142 sales
Terraced
£334,000
91 sales
Flat / maisonette
£180,000
51 sales
Latest recorded sales in CM3
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 22 May 2026 | £275,000 | Flat | Church Road | CM3 2JZ |
| 22 May 2026 | £645,000 | Detached | Allens Close | CM3 3DR |
| 22 May 2026 | £345,000 | Semi-detached | Hamberts Road | CM3 5TZ |
| 14 May 2026 | £760,000 | Detached | Chamberlains Ride | CM3 5LX |
| 14 May 2026 | £375,000 | Semi-detached | Hamberts Road | CM3 5TZ |
| 13 May 2026 | £360,000 | Terraced | Bakers Mead | CM3 1AL |
| 12 May 2026 | £417,500 | Detached | Coxs Close | CM3 5SL |
| 12 May 2026 | £320,000 | Detached | Bramley Way | CM3 6ET |
| 11 May 2026 | £350,000 | Terraced | Coral Close | CM3 5PP |
| 11 May 2026 | £755,000 | Detached | Lower Burnham Road | CM3 6HE |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Braintree demographics
Census 2021 figures for the wider Braintree district (155,270 residents, 64,983 households):
| Age profile | |
|---|---|
| Under 15 | 18.5% |
| 15–29 | 21.2% |
| 30–44 | 19.1% |
| 45–64 | 20.8% |
| 65+ | 20.5% |
| Housing tenure | |
|---|---|
| Owner-occupied | 67.9% |
| Private rented | 15.1% |
| Social rented | 12.9% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around CM3
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| New Hall School | Not applicable | 1–19 | 1,364 | CM3 3HS |
| William de Ferrers School | Secondary | 11–18 | 1,237 | CM3 5JU |
| Elmwood Primary School | Primary | 4–11 | 414 | CM3 5NB |
| Woodville Primary School | Primary | 5–11 | 412 | CM3 5SE |
| Danbury Park Community Primary School | Primary | 4–11 | 250 | CM3 4AB |
| Hatfield Peverel St Andrew's Junior School | Primary | 7–11 | 236 | CM3 2JX |
| St John Church of England Voluntary Controlled Primary School Danbury | Primary | 4–11 | 222 | CM3 4NS |
| Maylandsea Primary School | Primary | 5–11 | 217 | CM3 6AD |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in CM3
349 rated food businesses operate in CM3. 283 hold the top rating of 5, 34 are rated 4, and 3 are rated 2 or below.
Among the 5-rated: A&Co Limited, Acreland Green B&B, Active Genetics Limited, Allied Pharmacy South Woodham Ferrers, Allstar Community Academy.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in CM3
From a sample of 156 Energy Performance Certificates across 12 CM3 postcodes, the most common rating is band B (average band C). 49% of sampled homes are rated C or better.
Band A
5%
Band B
32%
Band C
12%
Band D
25%
Band E
22%
Band F
4%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Braintree
Landlines around CM3 typically use:
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What's it like living in CM3?
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Moving to CM3? Sort your connectivity first
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Postcodes in CM3
Neighbouring districts
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Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.